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januwan 05-18-2007 02:43 PM

conduit around the swimming pool
I am planning to relocate my pool equipment (two pumps, heater and filter) by 6 ft. I dug around and found corroded conduit that supply the power to the system.
Looks like I have leak in the plumbing system I have to take care off.
I need to replace the corroded section and I am not sure what should be the correct way. Should I use the wire nuts and access port between the old conduit and new section (extension to the new place) or use some kind of underground junction box

My second question concerns the wall pool lighting. The wires from the niche come in a cooper tubing. I would need to cut it and extend to the new place. I am not aware of any cooper junction boxes so how am I going to splice it and extend to the new location.

Any guidelines/help will be greatly appreciated

P.S. How can I attache a picture

jwhite 05-19-2007 07:05 AM

You should pull the old wires out of the conduit. Fix/extend or whatever to the conduit, then re-pull new wires that are the correct lenght.

I am not sure about the niche lights. do you have the mfg name, and model number. Maybe we can look up thier reccomendations.

januwan 05-19-2007 10:47 AM

Hi J
Thanks for taking time to address my concerns. I understand what you are suggesting and will follow your advices. My problem is that the metal conduit is buried underground. I exposed the part around the pool and would like to "join" the part that is in a good shape. I would like to cut off the corroded part, pull out the wires connect them (if in a good shape) with the new section (wires) and from that place run it in a PVC conduit. Do they make access port (junction box) that would connect metal and PVC conduit.

As far as niche light, the wires come in a continuous copper tubing under concrete, go out 3 ft above it and is connected to metal conduit through junction box. Since I am trying to relocate everything I would have to cut the copper tubing solder elbow and extend it (underground) to the new position and go few ft above the ground.
If I attempt to solder new elbow I will melt the insulation. I think I will be forced to pull all the wires (taking the light from the pool) and install new ones.
I was just hoping I cold splice them between old point and a new one but not sure if it is possible.

What do you think.

jproffer 05-19-2007 12:03 PM

I wouldn't suggest making a splice underground. Eventually the conductors WILL get wet and likely stay wet. I think what jwhite was getting at, and I wholeheartedly agree, was that you should pull out the old conductors and if they're too short...they're scrap. Get new conductors that are long enough to make the run without any splices.

When pulling out the old conductors, pull a couple ropes through the conduit to pull the new ones with.

jwhite 05-19-2007 02:26 PM

My original suggestion still applies. If you choose to do the new work in pvc conduit that is fine. dig back to a good rigid condiit. remove the last coupling. Screw on a pvc FA (female adaptor) then go pvc from there.

You still need to remove and replace the wires. you do not want a wire spice in the run to your pool, or a j box in your yard that could be a problem later.

As for the nitche lights, you may need to re-pull the wires.

I do not see any viable short cuts. This will be as much work, if not more, than the original install.

You do not want to take shortcuts with your families safety.

januwan 05-20-2007 09:05 AM

Hi jwhite and jproffer,

After reading your posts I decided to drop splicing idea. I was digging more on Saturday and found perfect place where I can start new PVC conduit. Turns out there is access port on the foundation coming out from the crawl space 5 ft from the old place. I will just run new conduit and new wires to the new location from there.

As far as pool light (I found this info on the web) I need to replace the entire light fixture (lamp unit and water sealed cable) with specific length cable. So there will be no splices. After pulling out old light fixture I can solder our use compression fitting on cooper tubing make a nice bend to the new location and I will be set.
I can see my Memorial weekend shaping up already.

Thanks for your advice

POOLMANinCT 05-20-2007 08:14 PM

order a light w a longer
cord, you are endangering bathers & violating nec by splicing,
wet niche wires

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